DE MACEDO, PEDRO BUARQUE
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 07, 1984 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 138 Total Citation Count
- Dec 30, 1976 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4430108 Method for making foam glass from diatomaceous earth and fly ashExpiredSep 14, 82Feb 07, 84[C03B]
4299608 Joint doping of porous glasses to produce materials with high modifier concentrationsExpiredSep 14, 79Nov 10, 81[C03C]
4183620 Joint doped porous glass article with high modifier concentrationsExpiredDec 30, 76Jan 15, 80[C03C, G02B]
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